body {
    display: block;
}

.bg-img {
    display: block;
    position: fixed;
    z-index: -1;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
}

.bg-img img {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    min-width: 50%;
    min-height: 50%;
}

.login-box {
    text-align: center;
    padding: 10px;
    padding-top: 30px;
    min-width: 300px;
    min-height: 350px;
    border-radius: 20px;
    background: #FBD78680;
}

footer {
    width: 100%;
    text-align: center;
    position: fixed;
    bottom: 10px;
    color: white;
}